SOLUTION: The set A union B has 26 elements. Set A contains 15 elements, and set B contains 17 elements. How many elements are in A intersect B?
Algebra ->
sets and operations
-> SOLUTION: The set A union B has 26 elements. Set A contains 15 elements, and set B contains 17 elements. How many elements are in A intersect B?
Log On
Question 769234: The set A union B has 26 elements. Set A contains 15 elements, and set B contains 17 elements. How many elements are in A intersect B? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The set A union B has 26 elements. Set A contains 15 elements, and set B contains 17 elements. How many elements are in A intersect B?
-----
(A and B) = A + B - (A or B)
-----
(A and B) = 15 + 17 - 26
------
(A and B) = 9
===================
Cheers,
Stan H.
(